Explore Books on
geldigheid

Test scores and what they mean

By Howard Burbeck Lyman

Health measurement scales

By David L. Streiner

Reliability and validity assessment

By Edward G. Carmines

Reliability and validity in qualitative research

By Kirk, Jerome.

Software verification and validation

By Michael S. Deutsch

Validity in survey research

By William A. Belson

Validity in interpretation

By E. D. Hirsch